Most certainly i've taken this before (fare RM60..not worth it !), it's Isuzu rear engine bus-chassis with very squeaky spring suspension. The transmission was very loud & vibrasive occasionally loud thuds felt on the floorboard by the gear hitting each other ! Supposed to be from KL to SGP but when reached Larkin, they switched over to another coach (from Meridian Holidays) probably as precaution..